<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <button>点击获取用户</button>
    <script>
      function callback(resp) {
        console.log(resp);
      }

      function request(url) {
        const script = document.createElement('script');
        script.src = url;
        script.onload = function () {
          script.remove();
        };
        document.body.appendChild(script);
      }

      document.querySelector('button').onclick = function () {
        request('http://localhost:8000/api/user');
      };
    </script>
  </body>
</html>

